IPv4 R&E Routing Table Report 23:05 GMT Mon 03 Oct, 2022 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 895443 Prefixes after maximum aggregation (per Origin AS): 340529 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440086 Number of IPv4 prefixes with a valid ROA: 353680 Number of IPv4 prefixes with an invalid ROA: 1636 Number of IPv4 prefixes with no ROA: 540127 Total ASes present in the Internet Routing Table: 73518 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63161 Origin ASes announcing only one prefix: 25982 Transit ASes present in the Internet Routing Table: 10357 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1047 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 40326 Number of 32-bit ASNs visible in the Routing Table: 33391 Prefixes from 32-bit ASNs in the Routing Table: 160420 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 500 Number of addresses announced to Internet: 3064806912 Equivalent to 182 /8s, 173 /16s and 62 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 300847 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231642 Total APNIC prefixes after maximum aggregation: 67008 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226525 Unique aggregates announced from the APNIC address blocks: 96405 APNIC Region origin ASes present in the Internet Routing Table: 12910 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3718 APNIC Region transit ASes present in the Internet Routing Table: 1732 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8208 Number of APNIC addresses announced to Internet: 773345792 Equivalent to 46 /8s, 24 /16s and 82 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 264548 Total ARIN prefixes after maximum aggregation: 120894 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265441 Unique aggregates announced from the ARIN address blocks: 128374 ARIN Region origin ASes present in the Internet Routing Table: 19002 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 6943 ARIN Region transit ASes present in the Internet Routing Table: 1870 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4611 Number of ARIN addresses announced to Internet: 1290731520 Equivalent to 76 /8s, 239 /16s and 0 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 252918 Total RIPE prefixes after maximum aggregation: 118531 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249981 Unique aggregates announced from the RIPE address blocks: 153836 RIPE Region origin ASes present in the Internet Routing Table: 28158 RIPE Prefixes per ASN: 8.88 RIPE Region origin ASes announcing only one prefix: 12024 RIPE Region transit ASes present in the Internet Routing Table: 4003 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10816 Number of RIPE addresses announced to Internet: 716635136 Equivalent to 42 /8s, 182 /16s and 252 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 116419 Total LACNIC prefixes after maximum aggregation: 27740 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 116045 Unique aggregates announced from the LACNIC address blocks: 49041 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2708 LACNIC Region transit ASes present in the Internet Routing Table: 2239 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8739 Number of LACNIC addresses announced to Internet: 176023808 Equivalent to 10 /8s, 125 /16s and 233 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 28869 Total AfriNIC prefixes after maximum aggregation: 5574 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 36951 Unique aggregates announced from the AfriNIC address blocks: 12011 AfriNIC Region origin ASes present in the Internet Routing Table: 1683 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1017 Number of AfriNIC addresses announced to Internet: 107787776 Equivalent to 6 /8s, 108 /16s and 182 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5924 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3515 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2455 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2233 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2227 11251 595 KIXS-AS-KR Korea Telecom, KR 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2131 425 216 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7322 10558 2825 AMAZON-02, US 11492 4548 301 624 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3770 3064 346 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3550 1850 2545 AKAMAI-AS, US 6327 3490 1319 64 SHAW, CA 749 3031 50696 2297 DNIC-AS-00749, US 30036 2597 367 302 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2545 3479 343 GOOGLE-CLOUD-PLATFORM, US 209 2345 4934 392 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6883 1730 144 UNI2-AS, ES 20940 4087 3393 188 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2610 252 1339 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2250 358 628 TELLCOM-AS, TR 58224 1797 936 536 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11036 3393 561 Uninet S.A. de C.V., MX 10620 3484 513 829 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2040 333 529 Mega Cable, S.A. de C.V., MX 28573 1349 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1141 369 21 Telefonica del Peru S.A.A., PE 11664 1067 180 463 Techtel LMDS Comunicaciones Interactiva 26615 987 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1569 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1007 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 524 53 42 WANANCHI-, KE 36914 490 82 3 KENET-AS, KE 37342 488 32 1 MOVITEL, MZ Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11036 3393 561 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7322 10558 2825 AMAZON-02, US 12479 6883 1730 144 UNI2-AS, ES 7545 5924 786 699 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4548 301 624 CABLEONE, US 20940 4087 3393 188 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 12479 6883 6739 UNI2-AS, ES 7545 5924 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7322 4497 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4548 3924 CABLEONE, US 20940 4087 3899 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:38 /11:100 /12:295 /13:586 /14:1194 /15:2078 /16:13464 /17:8286 /18:13770 /19:24736 /20:43073 /21:50905 /22:108112 /23:95877 /24:532893 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5891 6883 UNI2-AS, ES 8151 4773 11036 Uninet S.A. de C.V., MX 11492 3471 4548 CABLEONE, US 8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3299 3490 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2790 3770 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2256 2597 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1891 2:1026 3:166 4:5 5:3915 6:116 7:6 8:1557 9:1 11:173 12:1626 13:344 14:2362 15:266 16:67 17:361 18:333 20:238 21:4 22:188 23:5935 24:2450 25:6 27:2663 29:19 31:2435 32:91 34:7 35:89 36:1891 37:4485 38:3616 39:746 40:158 41:4027 42:1165 43:2243 44:293 45:16140 46:4171 47:370 49:1717 50:1927 51:242 52:1496 54:388 55:848 56:8 57:77 58:1724 59:1109 60:987 61:2367 62:2546 63:1917 64:5605 65:2309 66:4831 67:2953 68:1202 69:4153 70:1306 71:677 72:2978 74:2636 75:1480 76:588 77:2251 78:1854 79:3141 80:2041 81:1636 82:1513 83:1210 84:1417 85:2937 86:730 87:1909 88:1163 89:3394 90:540 91:7571 92:2025 93:2543 94:3541 95:3837 96:1336 97:343 98:1032 99:737 100:77 101:1296 102:2335 103:30105 104:4546 105:471 106:887 107:2540 108:888 109:4318 110:2017 111:3279 112:2041 113:1478 114:1507 115:1982 116:1888 117:2486 118:2327 119:1844 120:1707 121:1008 122:2537 123:2096 124:1518 125:2098 128:1175 129:992 130:960 131:2027 132:815 133:376 134:1896 135:294 136:864 137:882 138:2512 139:1514 140:1035 141:1476 142:1356 143:1388 144:1194 145:349 146:1850 147:1524 148:2230 149:1812 150:876 151:1107 152:1936 153:468 154:3828 155:1426 156:1674 157:1295 158:1038 159:2180 160:2533 161:1356 162:3501 163:1418 164:1671 165:1656 166:786 167:1730 168:3801 169:870 170:4558 171:851 172:3402 173:3089 174:1013 175:1153 176:3579 177:4719 178:3558 179:2152 180:2364 181:3249 182:3193 183:1939 184:2356 185:19746 186:4591 187:3937 188:4006 189:3485 190:8976 191:1453 192:10980 193:8719 194:7146 195:5033 196:3059 197:2578 198:5944 199:6025 200:7587 201:5797 202:10160 203:10013 204:4514 205:3468 206:3808 207:3370 208:4031 209:4726 210:4119 211:2327 212:4005 213:3549 214:1116 215:54 216:6419 217:2618 218:1268 219:404 220:1775 221:921 222:648 223:1979 End of report